1 /* $OpenBSD: limits.h,v 1.8 2000/07/31 20:06:03 millert Exp $ */ 2 /* $NetBSD: limits.h,v 1.1 1996/09/30 16:34:28 ws Exp $ */ 3 4 /*- 5 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 6 * Copyright (C) 1995, 1996 TooLs GmbH. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by TooLs GmbH. 20 * 4. The name of TooLs GmbH may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _MACHINE_LIMITS_H_ 36 #define _MACHINE_LIMITS_H_ 37 38 #define CHAR_BIT 8 /* bits per char */ 39 #define MB_LEN_MAX 1 /* no multibyte characters */ 40 #define CHAR_MIN 0 /* min value in char */ 41 #define CHAR_MAX 0xff /* max value in char */ 42 #define UCHAR_MAX 0xff /* max value in unsigned char */ 43 #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 44 #define SCHAR_MAX 0x7f /* max value for a signed char */ 45 46 #define SHRT_MIN (-0x7fff-1) /* min value in short */ 47 #define SHRT_MAX 0x7fff /* max value in short */ 48 #define USHRT_MAX 0xffff /* max value in unsigned short */ 49 50 #define INT_MIN (-0x7fffffff-1) /* min value in int */ 51 #define INT_MAX 0x7fffffff /* max value in int */ 52 #define UINT_MAX 0xffffffff /* max value in unsigned int */ 53 54 #define LONG_MIN (-0x7fffffff-1) /* min value in long */ 55 #define LONG_MAX 0x7fffffff /* max value in long */ 56 #define ULONG_MAX 0xffffffff /* max value in unsigned long */ 57 58 #if !defined(_ANSI_SOURCE) 59 #define SSIZE_MAX INT_MAX /* max value for a ssize_t */ 60 61 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) 62 #define SIZE_T_MAX UINT_MAX /* max value for a size_t */ 63 64 #define UID_MAX UINT_MAX /* max value for a uid_t */ 65 #define GID_MAX UINT_MAX /* max value for a gid_t */ 66 67 #define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */ 68 #define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */ 69 #define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */ 70 #define ULLONG_MAX (UQUAD_MAX) /* max value for unsigned long long */ 71 #define LLONG_MAX (QUAD_MAX) /* max value for a signed long long */ 72 #define LLONG_MIN (QUAD_MIN) /* min value for a signed long long */ 73 #endif /* !_POSIX_SOURCE && !_XOPEN_SOURCE */ 74 #endif /* !_ANSI_SOURCE */ 75 76 #if (!defined(_ANSI_SOURCE)&&!defined(_POSIX_SOURCE)) || defined(_XOPEN_SOURCE) 77 #define LONG_BIT 32 78 #define WORD_BIT 32 79 80 #define DBL_DIG 15 81 #define DBL_MAX 1.7976931348623157E+308 82 #define DBL_MIN 2.2250738585072014E-308 83 84 #define FLT_DIG 6 85 #define FLT_MAX 3.40282347E+38F 86 #define FLT_MIN 1.17549435E-38F 87 #endif 88 #endif /* _MACHINE_LIMITS_H_ */ 89